Toshiba NTDVT006BK User Manual
TOSHIBA
NTDVT006BK
Service Training
"Customer Satisfaction Through Knowledge"
T OSHIBA
DVD
SERVICE GUIDE
TOSHIBA AMERICA CONSUMER PR ODUCTS,
INC.NA TIONAL SERVICE DIVISION
NATIONAL TRAINING DEPARTMENT
1420-B TOSHIBA DRIVE
LEBANON, TN 37087
TOSHIB A AMERICA CONSUMER PRODUCTS, INC.
"In Touch With Tomorrow"
TOSHIBA
DVD
SERVICE GUIDE
Copyright © 1997
TOSHIB A AMERICA CONSUMER PR ODUCTS,
INC.NA TIONAL SERVICE DIVISION
NA TIONAL TRAINING DEPAR TMENT
1420-B TOSHIB A DRIVE
LEBANON, TN 37087
CONTENTS
INTRODUCTION ............................................ 1
DISASSEMBLY ............................................... 1
LASER DISASSEMBL Y ................................. 3
LASER REASSEMBLY................................... 5
DVD REASSEMBLY....................................... 6
TROUBLESHOOTING.................................... 7
Introduction ................................................... 7
Power Supply Checks .................................... 8
Front Panel Checks........................................ 9
Laser Checks................................................ 10
Focus & Tracking Checks............................ 11
Loading Motor Checks ................................ 14
Color Difference Output Checks ................. 14
Summary...................................................... 15
PC Board Layout ......................................... 16
Connector Pinouts ....................................... 17
INTRODUCTION
1. This book supplements video tape
NTDVT006, Toshiba DVD Servicing. It
covers the mechanical disassembly and
reassembly of a DVD player, and how to
diagnose a problem to the board level. For
more detailed information and drawings refer
to service manual 810-9601. For connector
locations and pin identification, refer to the
drawings in the back of this book.
2. The DVD player is very static sensitive, so
always use a static mat and wrist strap when
servicing the player. Failure to take these
precautions could destroy or reduce the life of
the laser and many other components.
DISASSEMBLY
1. Retract the 5 screws holding the cover in
place.
2. Lift off the cover.
3. If a disc is stuck in the player it can be manually removed by pushing the eject level with a
long screwdriver.
4. After the tray pops out, pull it completely
open and remove the disc.
5. To place the unit in the service position,
remove the shield covering the main board.
6. Remove the 4 screws on the main board and
1
the 2 self tapping screws on the back panel.
7. Remove the top portion of the shield and set
it aside.
8. Unclip the wires leading to the power supply.
9. Lift the main board and remove the bottom
portion of the shield. Then rest the main
board in the built-in holders.
10. Align the notch in the board with the bottom
of the built-in holder to avoid damaging the
main board.
11. Before unplugging the flex cables, the laser
pickup must be shorted to prevent static
damage to the laser .
12. To access the laser pc board, remove the
safety shield covering the laser assembly .
13. Remove the 2 screws holding the disc clamp
and lift it off the laser assembly.
14. Cut the cable tie that holds the power supply
cable to the cross bracket.
15. Remove the 2 screws holding the cross bar
and lift the cross bar off the player.
16. Remove the 2 screws holding the disc tray in
the player .
17. Pull the tray out of the player .
18. Carefully solder the pad with a small tipped
soldering iron.
19. Remove the main board by gently unplugging
the flex cables and the power supply connector .
20. Lift the main board out of the holders.
21. Remove the 4 screws holding the power
supply.
22. Lift the power supply board out of the cabinet.
23. Remove the 3 screws holding the laser mechanical assembly .
24. Lift the assembly out of the cabinet.
25. Remove the component video output board by
retracting 2 screws on the back of the cabinet.
26. Remove the front panel by retract 4 screws, 1
on each side and 2 on the top.
27. Releasing the tabs and pull the panel away
from the cabinet.
28. The front panel circuit boards are remove by
retracting 6 screws,.and lifting the circuit
boards out of the front panel.
LASER DISASSEMBL Y
1. Unplug the flex cable attached to the laser
slide assembly .
2. Remove the 4 screws and washers holding the
laser slide assembly in place.
3. Lift the laser slide assembly out and set it
aside.
4. Retract 2 screws at the rear of the mechanical
assembly.
5. Remove the lift assembly.
6. Remove the loading motor by first taking off
the loading belt.
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